<!DOCTYPE html>
<html>
<head>
    <title>圆角边框</title>
    <style>
        .normalRadius{
            background-color: hotpink;
            height: 100px;
            width: 200px;
            border-radius: 10px;
        }
        .circleRadius{
            width: 100px;
            height: 100px;
            background-color: indianred;
            border-radius: 50%;
        }
        .circleRactangle{
            width: 100px;
            height: 30px;
            border-radius: 15px;
            background-color: khaki;
        }
        .diffRadius{
            height: 200px;
            width: 200px;
            border-radius: 10px 20px 30px 40px;
            background-color: lightblue;
        }
    </style>
</head>
<body>
    <h4>普通圆角</h4>
    <div class="normalRadius"></div>
    <h4>圆形</h4>
    <div class="circleRadius"></div>
    <h4>圆角矩形</h4>
    <div class="circleRactangle"></div>
    <h4>四个不同的圆角</h4>
    <div class="diffRadius"></div>
</body>
</html>